# Four-directional spatial regularization for sparse hyperspectral unmixing

> Research article (Journal of Applied Remote Sensing, 2020) · cited 10× · AI/ML

**Wikidata**: [openalex:W3106967590](https://www.wikidata.org/wiki/openalex:W3106967590)  
**Source**: https://4ort.xyz/entity/four-directional-spatial-regularization-for-sparse-hyperspectral-unmixing